The gold is enough, and the copper mine is still 1W short, so Luo Yu simply chooses to buy it in the market.

Now people's mining level has also risen, and many people are still selling copper mines. The price is 1:50, which is a bit expensive.

This time Luo Yu is very rich, just buy it and it's over.

After spending 50W silver to buy enough copper ore, choose to unlock it directly.

【You have unlocked Thunder Technology】

What appeared in front of me was a golden box, which was about the same size as a heat collection box, but obviously much more expensive. This was the lightning storage box, and it was also the precursor to unlocking all lightning technologies.

[Lightning storage box: 0/50000]

There is no electricity at present, so it is naturally 0 storage.

Luo Yu resisted his excitement, walked back to the base with the thunder box in his arms, and put the box in the insulated room, just put it here for now.

He clicked on the relevant technology page, and the entire thunderbolt technology tree was very complicated, most of which were dark, and there were only a few buildings that were lit at present.

[Lightning Storage Box: Copper Mine*20000, Gold*20000, Silver*100000]

There is no need for blueprints for building this box for the second time, and Luo Yu does not need to build this box again, at least not for the time being.

[Lightning Rod: Copper Mine*1000, Gold*1000, Silver*20000, Beast Soul Core*1]

The lightning rod is used to attract thunder and lightning. Even in the weather without lightning, it can absorb the free thunder elements in the air and slowly increase the thunder energy reserve.

But the price...

Sure enough, like the heat plate, it needs the core of the beast soul.

Read on.

[Electric fence (per meter): copper mine*500, gold*50, silver*1000]

The effect of the electric fence is the same as that of the earth's power grid. It is a lightning defense device. Luoyu can be used as an electric fence, or it can be placed on the strike array corridor for defense.

Chapter 127 Entertainment with the captives

However, there are also disadvantages. The power of this elementary electric fence in the description is limited. It can only paralyze people for a few seconds, and it consumes a lot of electricity.

Luo Yu finally fixed his eyes on the electric shock tower that he had been thinking about before.

[Electric Energy Strike Tower (Primary): Copper Mine*50000, Gold*50000, Silver*500000】

How expensive is this price!

What is the concept of fifty thousand gold!

However, the description of this shock tower is drool-worthy.

[Electric energy strike tower: attack range 5000 meters (including anti-air), accuracy 100%, attack interval 20 seconds, power (instant kill below 100 physique)...]

What makes Luo Yu most happy is that this thing does not belong to the building category, but the furniture category, which means that it can be critically attacked.

But looking at the description, it consumes a lot of lightning storage.

The current gold is still 1.5W short, so without building it, Luo Yu plans to build a lightning rod.

The lightning rod is naturally built on the roof of the building. According to the description, it is absolutely safe, but Luo Yu still does not plan to install the lightning rod on the roof of his villa.

Just in case!

Just place them in warehouses and prisons.

[Lightning Rod: Copper Mine*1000, Gold*1000, Silver*20000, Beast Soul Core*1]

First build three lightning rods, buy the beast soul core and click build, then place two on the roof of the warehouse and one on the roof of the luxury prison.

Then use the energy pipeline to connect to the lightning storage box, and everything is done.

I looked at the situation of the lightning rods. On days without lightning, the rated lightning absorption capacity per day is only 300, and three 900. I want to save it for a long time.

He hoped it would be windy and rainy.

Speaking of which, the crit has not been used in the past few days, just now that the resources of the mine have increased, Luo Yu plans to try his luck and see if he can dig out a large piece of gold.

As soon as he thought about it, Luo Yu went to the mine, stood in front of the rock wall and was about to drop the pickaxe, when he suddenly found that the golden scorpion king who was digging at the side narrowed his eyes at the moment, as if he was groping for something in the rock wall.

This expression is like a man touched something soft through the curtain, enjoying it.

"Ok?"

Luo Yu looked at the big scorpion beside him strangely, as if he understood something.

He said something silently in his heart.

[Hundred times critical strike trigger]

A reminder appeared, and the next moment, King Scorpion tore out a large yellow rock from the rock wall.

A huge gold nugget!

Just as Luo Yu thought, the Golden Scorpion King was able to retrieve a piece of gold every once in a while. It used to be a small piece. He tried it just now and succeeded in a critical strike.

Animals belong to him, and under certain circumstances, the behavior of animals can also be a critical strike.

For example, a cow produces milk, a beast mother produces hair, and a scorpion king digs gold.

【You get gold*10000】

1W gold!

Good guy, it's so cool to earn 1W of gold in one go!

Luo Yu was so excited that he wanted to hug Scorpion King and kiss him!

"Quick, keep digging!"

Luo Yu asked the Scorpion King to continue his efforts. Encouraged by his master, the Scorpion King stuffed the pliers into the rock wall again. Luo Yu stopped digging, and stared at the expression of the Scorpion King with wide eyes.

Pieces of iron ore and copper ore were dug out, but the Scorpion King never showed that expression of enjoyment.

Luo Yu waited for half an hour, but had no choice but to give up, the randomness was too strong, he couldn't keep an eye on this scorpion for 24 hours, could he?

The key is to keep an eye on it for 24 hours, it may not be able to dig up gold nuggets after a day...

Shaking his head, Luo Yu put away the gold and started mining by himself.

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